Home / 40,961.70-61,394.59-15,644.63

Finding the Fourth Proportional to 40,961.70, 61,394.59 and 15,644.63

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Solution

The fourth proportional to 40,961.70, 61,394.59 and 15,644.63 is: 23,448.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,961.70 : 61,394.59 = 15,644.63 : x
  2. Step 2: Convert to fraction form
    40,961.70/61,394.59 = 15,644.63/x
  3. Step 3: Cross multiply
    40,961.70x = 61,394.59 × 15,644.63
  4. Step 4: Simplify right side
    40,961.70x = 960,495,644.55
  5. Step 5: Solve for x
    x = 960,495,644.55/40,961.70
  6. Step 6: Final answer
    x = 23,448.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.